P0401 Diagnostic Trouble Code Discussion for April 2005
Insufficient EGR Flow Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0401
| Help Request | Posted | |
| 2000 Pontiac Montana 3.4L MIL Lamp on VIN: 1GMDXU3E2Y P0401: Insufficient EGR Flow Detected. hey techs please help don't know any thing to do to remedy but has to be fixed for state inspection any suggestions. |
April 08, 2005 | |
| 1997 Toyota Camry CE 2.2L MIL Lamp on VIN: JT2BG22K3V P0401: EGR System Insufficient Flow Detected. ... have this egr code- p0401-low flow---ive traced all the vacuum lines in the system-they all are connected correctly -you can make the car stumble if you aplly vacuum to the egr-weve installed a new vacuum modulator and vsv valve on back of block-im not sur... |
April 08, 2005 | |
| 2000 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5140Y P0401: INSUFFICIENT EGR FLOW DETECTEDmemory code. this should be a pretty simple question. i have 5 volts on the DPFE sense circit all the time, i suspect something shorted together in the harness, but scan data and testing voltage at the sensor conector was as far as i got when i was out of time to check thi... |
April 13, 2005 | |
| 1997 Toyota Camry CE 2.2L MIL Lamp on P0401: EGR System Insufficient Flow Detected. I have a problem with this 97 camry, the po401 will come back while on the 2nd trip about 40mph. Egr is working, will stall the engine at idle with a vacuum pump and the valve hold vacuum as well. Scanner shows egr on at cruise as well as guage shows vacuum to... |
April 16, 2005 | |
| 1999 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K8X P0401: Insufficient EGR Flow Detected. ... advance!! This car came in orignally for a P0300 Code. The fuel filter was about 98% stopped up. We replaced the fuel filter and also did a throttle body cleaning..( This no longer seems to be a problem) While cleaning the throttle we discovered that the ... |
April 20, 2005 |
